﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Neurokinetic.NeuroSkyNet.Model;

namespace Neurokinetic.MindSetControls
{
    /// <summary>
    /// Follow steps 1a or 1b and then 2 to use this custom control in a XAML file.
    ///
    /// Step 1a) Using this custom control in a XAML file that exists in the current project.
    /// Add this XmlNamespace attribute to the root element of the markup file where it is 
    /// to be used:
    ///
    ///     xmlns:MyNamespace="clr-namespace:Neurokinetic.MindSetControls"
    ///
    ///
    /// Step 1b) Using this custom control in a XAML file that exists in a different project.
    /// Add this XmlNamespace attribute to the root element of the markup file where it is 
    /// to be used:
    ///
    ///     xmlns:MyNamespace="clr-namespace:Neurokinetic.MindSetControls;assembly=MindSetControls"
    ///
    /// You will also need to add a project reference from the project where the XAML file lives
    /// to this project and Rebuild to avoid compilation errors:
    ///
    ///     Right click on the target project in the Solution Explorer and
    ///     "Add Reference"->"Projects"->[Browse to and select this project]
    ///
    ///
    /// Step 2)
    /// Go ahead and use your control in the XAML file.
    ///
    ///     <MyNamespace:PolylineGraph/>
    ///
    /// </summary>
    public class PolylineGraph : Canvas
    {
        private Polyline polyline = new Polyline();
        /// <summary>
        /// 
        /// </summary>
        public MindSetModel MindSet
        {
            get { return (MindSetModel)GetValue(mindSetProperty); }
            set { SetValue(mindSetProperty, value); }
        }
        public static readonly DependencyProperty mindSetProperty = DependencyProperty.Register("MindSet", typeof(MindSetModel), typeof(PolylineGraph));
        
        /// <summary>
        /// 
        /// </summary>
        public MindSetDataType DataType
        {

            get { return (MindSetDataType)GetValue(dataTypeProperty); }
            set { SetValue(dataTypeProperty, value); }

        }
        public static readonly DependencyProperty dataTypeProperty = DependencyProperty.Register("DataType", typeof(MindSetDataType), typeof(PolylineGraph));
        
        public Brush Stroke
        {
            get
            {
                return polyline.Stroke;
            }
            set
            {
                polyline.Stroke = value;
            }
        }
        static PolylineGraph()
        {
            //DefaultStyleKeyProperty.OverrideMetadata(typeof(PolylineGraph), new FrameworkPropertyMetadata(typeof(PolylineGraph)));
        }

        public override void BeginInit()
        {
            polyline.StrokeThickness = 1d;
            this.Children.Add(polyline);
            base.BeginInit();
        }
        public override void EndInit()
        {
            this.MindSet.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(mindSet_PropertyChanged);
            base.EndInit();
        }
        private void mindSet_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if (e.PropertyName == "Ticks" && MindSet.Signal.Current != 200)
            {
                polyline.Points.Add(new Point(MindSet[DataType].Percent(), -polyline.Points.Count));
                Canvas.SetTop(polyline, polyline.Points.Count);
                this.Height = polyline.Points.Count;
            }
        }
    }
}
